Originally Posted by 1tonxj

A d30 and beef do not go together . 7.25 ring gear has me thinking of the old BK commercials with the old lady asking "where's the beef" ...has anyone advocating d30 with 5.13's ever looked the size of the pinion gear on 4.56-4.88 on a d30 let alone 5.13's . 4.10 gears are about the limit on a d30 for decent pinion gear strengh .

Originally Posted by djlarroc

A friend of mine is running 40s on a trussed 30 w/4:88s. Yeah, it's dumb, but he's also seeing how long it will hold. Going on a year now.

Originally Posted by Sooner XJ

I'm running a 14 bolt 10.5 with 4.56 and soon to swap out the 10bolt with a D60.

Originally Posted by 1tonxj

are you talking about big-D and the Chinakee ?...That 30 will be hating life this summer when we do independence .

Originally Posted by Allusion

not to hijack your thread in any way shape or form but i am looking to run 35s. i have an 8.25 29 spline and a hpdana30. will it hold up to 35s if im careful? and ofcourse i will always bring extra axle shafts when wheeling. ive heard stories but they might be the luck of the draw.

Originally Posted by 1tonxj

Yes they hold 35's . Some tires are easier on axles...example 35 MT/R is easier on axle than 35 bogger . And always carry spare parts even if running 1-tons .

Originally Posted by Audioguy

I run 36'' IROK's on my 6'' bastard lift. CUT CUT and more CUT. Bumpstop and cut some more. I put 760x u joints in and keep at least 2 full extra sets of spare axles with me. still have 3.55 gears but going 4.88 as soon as tax check gets here.